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Western Digital Announces Magnetic Storage Breakthrough Enabling 40TB HDDs

btarunr

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#1
At its "Innovating to Fuel the Next Decade of Big Data" event today, Western Digital Corp. announced a breakthrough innovation for delivering ultra-high capacity hard disk drives (HDDs) to meet the future demands of Big Data with proven data center-level reliability. The event, held at the company's headquarters in Silicon Valley, included a demonstration of the world's first microwave-assisted magnetic recording (MAMR) HDD and presentations from company executives and the inventor of MAMR technology, Professor Jimmy Zhu from Carnegie Mellon University. The company also showcased advancements in micro actuation and Damascene recording head technology. Western Digital expects to begin shipping ultra-high capacity MAMR HDDs in 2019 for use in data centers that support Big Data applications across a full range of industries.

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#2
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
 
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#3
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
Well the latest seagate 12tb drives are 250mbps which is double what they used to be
 
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#4
Yeah, but that's still half of what SSD's do and access times (latency) hasn't really changed much.
 
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#5
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
Not entirely true. The bigger the drive, the higher the transfer rates for unfragmented data, since a lot of data can be read/written at once.

Also, this drive is not the biggest. Actually the honor is, ironically, hold by an SSD, the 128TB SSD drive from Samsung (https://www.theregister.co.uk/2017/08/09/samsungs_128tb_ssd_bombshell/)
 
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#6
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
That does not make financial sense though - you have SSD's, which have much quicker access times and thus can either be used as cache or OS drives. HDD's will always be better in data storage though. Thus they are increasing the size of them.

Even though I don't even want to think about the re-building time of a raid if one of those drives fails.
 
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#7
Even though I don't even want to think about the re-building time of a raid if one of those drives fails.
Neh, nobody cares. You have 20 of those drives in a storage rack, nobody cares if it takes even a day. ;)
 
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#8
Neh, nobody cares. You have 20 of those drives in a storage rack, nobody cares if it takes even a day. ;)
I think you're looking at 2 - 3 days rebuilding time and many do care, due to fact that, depending on raid, their raid might fail if another or 2 more drives fail in that time. Considering that rebuilding a raid is stress on the drives.
 
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#9
Neh, nobody cares. You have 20 of those drives in a storage rack, nobody cares if it takes even a day. ;)
When you have such storage rack, you basically just swap the drives as they fail. There is no on-demand backing up and restoring of data, you're already suppose to use double redundancy at such capacities with higher RAID modes.
 
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#12
If only they could innovate this well in the SSD arena (and have their own fabrication abilities... rather than get screwed by partners). WD was my first large storage drive (a whopping 400MB). I'd hate to see them lose out to the likes of Samsung. It's not a name I like associating with PCs.
 
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#14
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
The most beneficial advantage of SSDs is random access performance, which is measured in iops.
iops are basically how many accesses the drive can make in a certain amount of time. SSDs can access multiple nand cells at the same time, so even with random operations you have high performances.
On the other side a mechanical hard drive has only a head reading/writing on the surface of the spinning disk. that head can make only a limited amount of movements, which translate to really poor performance in random access. As I understand these new technologies are a sort of multi-layer writing/reading technique, so I think a possible solution could be to write files in a stacked fashon, and read them with a single head movement. that could accelerate random access also in HDD
 
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#16
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...

Density has a direct impact on read and write performance, the faster the disk spins as well, I just hope they are able to incorporate this with 7200 or 10K speeds. If they are truly quadrupling the density at the same spin rate it should allow for quadrupling the data read and write.
 
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#17
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
I think it's rather amazing that they have the access times that they do. You're talking about moving a mechanical arm to a track some nanometers wide in a matter of milliseconds! And as those tracks get thinner (larger drives) that gets more difficult.

Density has a direct impact on read and write performance, the faster the disk spins as well, I just hope they are able to incorporate this with 7200 or 10K speeds. If they are truly quadrupling the density at the same spin rate it should allow for quadrupling the data read and write.
Bandwidth != Latency
 
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#18
Great, so when the drive dies I'll be crying for a week as versus just a day with a 4 TB drive.
 

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#19
Great, so when the drive dies I'll be crying for a week as versus just a day with a 4 TB drive.
:laugh: Nope, because it will be backed up to another 40TB drive. :)
 
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#21
According to Scientific American, a cat’s brain has 1,000 times more “data storage” than an iPad, and operates a million times faster!
They are also the true rulers of the computer world... in their own way.
 
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#23
by that I presume you mean Ethernet lol
No, no.. The ruler of Memes. The only worthwhile use of the internet. :D

Well, outside pr0n.
 
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#25
I wish someone made a breakthrough that would allow mechanical drives dramatically improved speeds and access times. Coz that would be really nice. I'm talking getting them to the level of cheapest SSD's or close to that. I know there are physical limitations, but still, all we see is platter density and that's it. No one is really investing into how this density is accessed and if there is a different, faster way...
Actually, we're not far from that. There is prototyping going on in which a spinning disc type drive is being accessed using a quad-head system. So instead of one single read/write head, four are used. This means that the drive controller can multi-task. The current test methodologies show sequential read/write speeds of 240MB per second and 170MB per second random. This is on 15,000rpm spindles. Combine this with WD's new hotness and good grief is the future bright for storage.